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性能调试器

25 Apr 2016 . category: tech . Comments
#tutorial

Content

1.Performance Mesurement.
2.Dtrace in Mac OS X
3.Decompile & Analyze an APK
4.Write a script to simulate it
5.Summary

Dtrace in Mac OS X

Hello World dtrace -n ‘BEGIN { trace(“Hello World!”); }’

Tracing Who Opened What dtrace -n ‘syscall::open:entry { printf(“%s %s”,execname,copyinstr(arg0));} ‘ Tracing fork() and exec() dtrace -n ‘syscall::fork: {trace(pid);}’ dtrace -n ‘syscall::exec: {trace(execname);}’ Counting System Calls by a Named process dtrace -n ‘syscall:::entry /execname==”CLPDemo”/’ {@[probefunc]=count();} Profiling Process Names: dtrace -n ‘profile-997 {@[execname]=count();} tick-1s {printa(@);trunc(@);}’

Me

Kyle is a software developer in China. He likes mathematics,physics,art,computer science. In his spare time, he would like to read books, write some codes he likes, go swimming or hiking.